Modification of mid-point restrictor of heart cut multidimensionalgas chromatography-mass spectrometry system and its application in analysis of benzo[a]pyrene in cigarette smoke

2010 ◽  
Vol 28 (6) ◽  
pp. 623-627
Author(s):  
Jiaqin SHI ◽  
Baizhan LIU ◽  
Wenyan XIE
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